Rotary engine valve



J.kt BAUR ROTARY ENGINE VALVE Feb. A2, 1926.`

Filed March 9 1922 h I JQSEQ LIL/m INVENTOR.

yPatented 2, 1926.

UNI'HI'ED STATES 'JOSEPH n. BAIE, 0E CAM? HILL, PENNSYLVANIA.

RQTARY ENGINE VALVE.

Application filed March 9.- 1922. Serial No. 542,271.

To all whom t may corlwem:

Be it known that I, JosEPH H. BAIR, a

citizen of the United States, and residinor I at Camp Hill, Pennsylvania, have inven certain new and useful Improvements in Rotary Engine Valves, of which the following is a specification.

The invention pertains to rotary timing valves adapted to be used on any rotary internal combustion engine of an odd number of piston cylinders and it is immaterial whether these cylinders are radially or axially disposed.

The invention consists of three coneshaped parts each having ports and4 seated together so they conform toeaich other and are relatively rotatable by a gear arrangement so that their ports mesh periodically in a predetermined manner but at all other times maintain closure so as to fulfill all requirements of intake and exhaust, suction and compression necessary in internal combustion engines.

The outer member of the valve combination is made to be tightly inserted into a recess in the closed end of the cylinder-casting in such a way that its ports register with the respective ports of the cylinders and that it is otherwise leak proof. This port shell is held inA this position by bolts, so that it is integral with the cylinder bearing part. The inner face of this insert is for the most part tapered with the big and little ends straight. The entire inner surface is groundv as is also the outer surface of the next or intermediate part which conforms to it and With it is pressure proof at the line of contact. This intermediate part is a shell ,and has its outside and inside conical walls substantially parallel. Into this is inserted the inner or two chambered part and forms with it a pressure proof contact. All these three parts have ports which, by means of the gear arrangement, register at intel'- vals in the manner to be described.

The invention is further disclosed by means of drawings of which:

Figure I is a plan View of a selected portion of the engine in horizontal section so as to show the working relation of the valve to the rest of the organization.

-gine and its balls 22 interposed. The inner Figure II is a tranverse section of valve assembled and on the line II-II of Figure Figure III is the intermediate ported shell ofthe valve.

Flgure IV represents a ring with pinions whlcli controls the rotation of the intermediate member by meshing lwith gears on the other two members of the valve.

Figure V is the inner member of the valve viewed from below which is the stationary part of the valve and which has fixed on it a gear to co-operate in the rotation of the other members.

[l is the shaft or 'axis upon which engine 2 rotates by means of a thrust bearing having its cone member 21 fixed, or threaded on the shaft .1, its other member 23 fast o-n the enmember of the valve 7 is held seated so as to maintain pressure closure by means of a spring 20 and together with the timing gear .arrangement is clear ,of the shaft 1 and maintains a space 0, so that any vibration will not add friction to the valve part 7, nor to the gear ring 31, in other words, this arrangement obviates forming a bearing out of the valve. The valve members are nested into each other and no amount of vibrationv will unseat them.

The Cylinder 3 communicates with the valve by means of a port 8. This port continues through the outer member 5 of the valve which is held in registration'by means of screws 37 through flange 38 into the engine. This port 8 is divided longitudinally into two parts, A and B, by means of .a web 10, of -which B is in the line of rotation of ports 9 of the intermediate valve member 32 (shown in detailfin Figure III) and A with ports 11, This web 10 forms a friction surface and closure withthe ring 12 between ports 9 and 11. While the twin ports A and B, separated by web 10 in theouter part 5 are opposite each other and axially in line with those of the intermediate part 32, namely 9 and 11, in their path of rotation are staggered or alternate with each other.

There are four ports on the inner member 7. lTwo of these 13 and 13 are inline of rotation respectively with A and 11 `rotatable the gear is stationary. Upon the to the end the ressure of explosion,- beingL in an oblique lrection, would tend to lift them from their seating and allow escape of compression. The cylindrical ends-prevent this while the taper portions upon whichare the ports allows take up from wear.

The inner member 7 has fast upon its end 35 a gear 30. Since this par-t is nonouter part 5 is iixed the companion gear 29 and it rotates with the engine' 2. Theser t'wo gears co-operate with each other b means of the rin 31, havin mounted thereon on the spin les 27 pinions 28 through.

which they intermesh. The ring, with pinions, slips into art 32 at end 6 .andthe posts 27 extend t rough the longnudlnal slots 26. The result is that when running the timer 32 revolves at halfthe -speed and in the same direction as the engine.

The timing o eration is as follows, aum ing there are ve cylinders: The cylinder verticall above the axis has the piston all the way 1n. The exhaust has all been Vpushed out by means of port connection maintained between the cylinderv and the exhaust chamber during the instroke of the piston, and until this instant when the piston starts its outward stroke, and port connection with the intake chamber, and carburetor, is established and maintained until the out stroke is completed and the in or compression stroke has begun and until the cylinder port has passed the center aboutv 36 degrees. This gives the gas full chance to inflow from the suction produced even after the outer piston movement has stopped.

This meets the requirementsl now universally conformed to in valve timing. Now all the port connection with the cylinder in question 1s closed until the instroke is compheted, the ring takes place and the piston is`driven out.

tinues while on the instroke side one cylin' der compresses whiletlie next one exhausts.

The engine having iive cylinders, the order of firing is 1, 3, 5, 2, '4, 1. p

The valve, and the bearing, is oiled as The exhaust starts before the valvev 4has passed over the low center or before the fellows: By means of a pump which isconnected by means of a ipe (not shown) to a pressure chamber 16 1n the partition C of Ithe inner member 7 of the valve the oil forced out periodically five times in a revolution through glands 1-7 which that often register with oil. ports 18 in part 32 and with similar ports in outer ypart 6 (not shown in t'he drawings). These ports in five axial rows and respectively in line of rotation with those of parts 32 and 7 superpose all the holes of a row with those 17 of 1nner member 5. Thus in a revolution all the members of 'each row of holes are successively registered with those from the supply under pressure. In extending canal connecting all the holes in a row conducts the surplus oil back and at its open mouth pours it over the thrust bearing from whence it drains back into the reservoir.`

This application pertains' toan improvement on a rotary internal combustion engine the details of. which are disclosed in U. S. Patents Nos. 1,326,833-1,331,H7-1,331,478 and 1,377,383.

Having now disclosed my improvements,

I claim:

1. In a rotary, engine valve the combination of an outer member, a stationary two chamberedinner member and an interposed member all conform' to ther by means of a taper and cyliiilgrcaleends provided thereon and eachunember having ports to register successively, and a gear arrangement for controlling their speed, substantially as described. v

2. In a rotary engine valve the combination of an outer member l`and an intermediate member and a stationary inner member all nested4 together and each having ports to register and close in relation to the ports of each other in their related rotation, andv separated from each other the distance of the width of the web of the outer member and staggered to each other and an inner, a stationary member bearing four ports two of which are in the line of travel of one of the series of ports of the intermediate member and two 1n that of .the other substantially as described.

5. In a rotary valve comprising 'bhee members, namely a stationary inner memx part 5 a rearward' f -the stationary member and ber, an intermediate and an outer and turning relations between them the combination, an oil gland maintained under pressure on a line of ports leading there-from, rows of ports \on the intermediate member periodially to register with the ports connected with the gland and rows of ports periodically to register with the intermediate member on the outer member each row thereof communicating with an outlet duet as described.

6. A rotary en ne valve structure for a rotary engine, a s aft on which said engine rotates, a valve free .of the shaft and turnable in a bearing provided in the engine, and gearing to operate the valve.

JOSEPHv H. BAIR. 

